mautrix-whatsapp/commands.go

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// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2018 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"strings"
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"maunium.net/go/maulogger"
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"maunium.net/go/mautrix-appservice"
"maunium.net/go/mautrix-whatsapp/types"
)
type CommandHandler struct {
bridge *Bridge
log maulogger.Logger
}
func NewCommandHandler(bridge *Bridge) *CommandHandler {
return &CommandHandler{
bridge: bridge,
log: bridge.Log.Sub("Command handler"),
}
}
type CommandEvent struct {
Bot *appservice.IntentAPI
Bridge *Bridge
Handler *CommandHandler
RoomID types.MatrixRoomID
User *User
Args []string
}
func (ce *CommandEvent) Reply(msg string) {
_, err := ce.Bot.SendNotice(string(ce.RoomID), msg)
if err != nil {
ce.Handler.log.Warnfln("Failed to reply to command from %s: %v", ce.User.ID, err)
}
}
func (handler *CommandHandler) Handle(roomID types.MatrixRoomID, user *User, message string) {
args := strings.Split(message, " ")
cmd := strings.ToLower(args[0])
ce := &CommandEvent{
Bot: handler.bridge.AppService.BotIntent(),
Bridge: handler.bridge,
Handler: handler,
RoomID: roomID,
User: user,
Args: args[1:],
}
switch cmd {
case "login":
handler.CommandLogin(ce)
case "logout":
handler.CommandLogout(ce)
case "help":
handler.CommandHelp(ce)
}
}
func (handler *CommandHandler) CommandLogin(ce *CommandEvent) {
if ce.User.Session != nil {
ce.Reply("You're already logged in.")
return
}
ce.User.Connect(true)
ce.User.Login(ce.RoomID)
}
func (handler *CommandHandler) CommandLogout(ce *CommandEvent) {
if ce.User.Session == nil {
ce.Reply("You're not logged in.")
return
}
err := ce.User.Conn.Logout()
if err != nil {
ce.User.log.Warnln("Error while logging out:", err)
ce.Reply("Error while logging out (see logs for details)")
return
}
ce.User.Conn = nil
ce.User.Session = nil
ce.User.Update()
ce.Reply("Logged out successfully.")
}
func (handler *CommandHandler) CommandHelp(ce *CommandEvent) {
ce.Reply("Help is not yet implemented 3:")
}